Table 1

Patterns of diagnoses (ICD-10) for relevant medical conditions and ATC for relevant prescriptions

Indications/diagnoses/drugsICD-10/ATC codes
Approved indications* 
 EpilepsyG40; G41
 Generalised anxiety disordersF41.1
 Neuropathic pain-related diagnosesG35.9; G50.0; G50.1; G51.0; G53.0; G54.4; G54.6; G55.0; G55.1; G56.0; G56.2; G56.4; G56.9; G57.0; G57.1; G57.8; G57.9; G58.0; G58.7; G58.8; G62.9; G63.2; G82.1; G95.0; G95.2; G95.8; G97.9; I69.1; I69.3; M48.0; M50.1; M53.0; M53.1; M54.1; M54.3; M54.4; M79; M89.0; R52
 Additional neuropathic pain-related diagnoses (broad pattern)B02; G13.0; G52.1; G56; G57; G58; G59; G60; G61; G62; G63; G99.0; M51.1; M54.2; T92.6; T93.6
Substance use disorders†F11–F19; T42; T43; Z71.4–5
Addictive disorder drugs‡ 
 AlcoholN07BB
 TobaccoN07BA
 OpioidsN07BC
Drugs with potential for abuse‡ 
 OpioidsN02A
 PsychostimulantsN06B
 BenzodiazepinesN05B; N05C
Contemporaneous prescription of gabapentin§N03AX12

  • *Diagnoses during the same quarter as the initial prescription.

  • †At least one diagnosis in two different quarters during the year before the initial prescription.

  • ‡At least one prescription during the year before the initial prescription.

  • §At least one prescription during the observation period of 1 year.

  • ATC, Anatomical Therapeutic Chemical; ICD-10, International Classification of Diseases 10th Revision.